Home / 19,628.32-27,086.50-11,131.22

Finding the Fourth Proportional to 19,628.32, 27,086.50 and 11,131.22

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Solution

The fourth proportional to 19,628.32, 27,086.50 and 11,131.22 is: 15,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.32 : 27,086.50 = 11,131.22 : x
  2. Step 2: Convert to fraction form
    19,628.32/27,086.50 = 11,131.22/x
  3. Step 3: Cross multiply
    19,628.32x = 27,086.50 × 11,131.22
  4. Step 4: Simplify right side
    19,628.32x = 301,505,790.53
  5. Step 5: Solve for x
    x = 301,505,790.53/19,628.32
  6. Step 6: Final answer
    x = 15,360.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.